Sony Picture restore problem....

Having recently acquired A Sony Vaio PCG C1VE, I am trying to restore it to factory condition. The problem is the recovery CD that came with it has some confusing instructions.Has anyone performed this operation?...if so, could you possibly give me some guidance as to the correct procedure.Here is the instructions I have been given:Put recovery in.At A> prompt type d: enterSelect "ghost" then "disk" then "image"Select "SONY.GHO" then enterPress TAB to highlight OK then enterRepeat on next "OK"Proceed with restore...when finished highlight "YES" enter